21791668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 39722312

約数和(自身を除く): 17930644

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 2017, 2701, 4034, 5402, 8068, 10804, 74629, 147241, 149258, 294482, 298516, 588964, 5447917, 10895834, 21791668]

約数ペア:

[(1, 21791668), (2, 10895834), (4, 5447917), (37, 588964), (73, 298516), (74, 294482), (146, 149258), (148, 147241), (292, 74629), (2017, 10804), (2701, 8068), (4034, 5402)]